merged pchote/master

OpenRa.Game/Traits/LightPaletteRotator.cs

@@ -0,0 +1,25 @@
+using System.Drawing;
+
+namespace OpenRa.Game.Traits
+{
+	class LightPaletteRotatorInfo : StatelessTraitInfo<LightPaletteRotator> { }
+	class LightPaletteRotator : ITick, IPaletteModifier
+	{
+		float t = 0;
+		public void Tick(Actor self)
+		{
+			t += .5f;
+		}
+
+		public void AdjustPalette(Bitmap b)
+		{
+			var rotate = (int)t % 18;
+			if (rotate > 9)
+				rotate = 18 - rotate;
+			
+			using (var bitmapCopy = new Bitmap(b))
+				for (int j = 0; j < 16; j++)
+					b.SetPixel(0x67, j, b.GetPixel(230+rotate, j));
+		}
+	}
+}